the proposal would put 3 cent tax on every $100 of stock bonds tax derivatives, saying it would generate $352 billion in ten years. not chump change. think about it for a second. here is 520s. there is $100. visualize this. there is $100. every time there is 100, there is three cents. i better get my piggy bank out here. just like that. that's it. that's it. one hundred, three cents, there you have it. what could we do with $352 billion? do you think maybe we could pay for at least one of the wars? or do you think maybe we could insure maybe another 30 million people? do the math. that would pay for about half of obama care. that would really make the righties happy. think about it. why is it number one, wall street doesn't get prosecuted. number two, they get off scot-free on these transactions. this is an easy thing, and nobody is going to feel it. everything is going to be fine. joining me tonight, david cay johnston, pulitzer prize winning journalist and author of "the fine print." david cay, grit to have you with us. >> good to be here. >> explain what a high-speed trade is for thos